WO2004057419A2 - トナー用ポリエステル樹脂組成物およびトナー - Google Patents
トナー用ポリエステル樹脂組成物およびトナー Download PDFInfo
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- WO2004057419A2 WO2004057419A2 PCT/JP2003/016179 JP0316179W WO2004057419A2 WO 2004057419 A2 WO2004057419 A2 WO 2004057419A2 JP 0316179 W JP0316179 W JP 0316179W WO 2004057419 A2 WO2004057419 A2 WO 2004057419A2
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- Prior art keywords
- polyester resin
- toner
- resin
- temperature
- linear polyester
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- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- VNGOYPQMJFJDLV-UHFFFAOYSA-N dimethyl benzene-1,3-dicarboxylate Chemical compound COC(=O)C1=CC=CC(C(=O)OC)=C1 VNGOYPQMJFJDLV-UHFFFAOYSA-N 0.000 description 1
- LDCRTTXIJACKKU-ONEGZZNKSA-N dimethyl fumarate Chemical compound COC(=O)\C=C\C(=O)OC LDCRTTXIJACKKU-ONEGZZNKSA-N 0.000 description 1
- 229960004419 dimethyl fumarate Drugs 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- XLYMOEINVGRTEX-UHFFFAOYSA-N fumaric acid monoethyl ester Natural products CCOC(=O)C=CC(O)=O XLYMOEINVGRTEX-UHFFFAOYSA-N 0.000 description 1
- NKHAVTQWNUWKEO-UHFFFAOYSA-N fumaric acid monomethyl ester Natural products COC(=O)C=CC(O)=O NKHAVTQWNUWKEO-UHFFFAOYSA-N 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 229940119177 germanium dioxide Drugs 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910001291 heusler alloy Inorganic materials 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-L isophthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC(C([O-])=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-L 0.000 description 1
- 235000020778 linoleic acid Nutrition 0.000 description 1
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- NKHAVTQWNUWKEO-IHWYPQMZSA-N methyl hydrogen fumarate Chemical compound COC(=O)\C=C/C(O)=O NKHAVTQWNUWKEO-IHWYPQMZSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- AJDUTMFFZHIJEM-UHFFFAOYSA-N n-(9,10-dioxoanthracen-1-yl)-4-[4-[[4-[4-[(9,10-dioxoanthracen-1-yl)carbamoyl]phenyl]phenyl]diazenyl]phenyl]benzamide Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2NC(=O)C(C=C1)=CC=C1C(C=C1)=CC=C1N=NC(C=C1)=CC=C1C(C=C1)=CC=C1C(=O)NC1=CC=CC2=C1C(=O)C1=CC=CC=C1C2=O AJDUTMFFZHIJEM-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical compound CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- ALRFTTOJSPMYSY-UHFFFAOYSA-N tin disulfide Chemical compound S=[Sn]=S ALRFTTOJSPMYSY-UHFFFAOYSA-N 0.000 description 1
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- YJGJRYWNNHUESM-UHFFFAOYSA-J triacetyloxystannyl acetate Chemical compound [Sn+4].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O YJGJRYWNNHUESM-UHFFFAOYSA-J 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 239000001043 yellow dye Substances 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08706—Polymers of alkenyl-aromatic compounds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08706—Polymers of alkenyl-aromatic compounds
- G03G9/08708—Copolymers of styrene
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08706—Polymers of alkenyl-aromatic compounds
- G03G9/08708—Copolymers of styrene
- G03G9/08711—Copolymers of styrene with esters of acrylic or methacrylic acid
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08713—Polyvinylhalogenides
- G03G9/08715—Polyvinylhalogenides containing chlorine, bromine or iodine
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08713—Polyvinylhalogenides
- G03G9/08715—Polyvinylhalogenides containing chlorine, bromine or iodine
- G03G9/08717—Polyvinylchloride
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08722—Polyvinylalcohols; Polyallylalcohols; Polyvinylethers; Polyvinylaldehydes; Polyvinylketones; Polyvinylketals
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08742—Binders for toner particles comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08755—Polyesters
Definitions
- an electrostatic image formed on a photoreceptor is developed with a toner charged by friction in advance, and then fixed.
- the fixing method there are a heat roller method in which a toner image obtained by development is fixed using a roller which is pressurized and heated, and a non-contact fixing method in which an image is fixed using an electric oven or flash beam light. is there .
- the toner must first maintain a stable charge amount, and then must have good fixability to paper.
- the apparatus has a fixing unit, which is a heating element, and the temperature inside the apparatus increases, so that it is necessary to prevent the toner from being blocked.
- the binder resin for toner has a great effect on the above-mentioned toner characteristics, and polystyrene resin, styrene acrylic resin, polyester resin, epoxy resin, polyamide resin, etc. are known.
- polyester resins have received particular attention because of their ease of balancing transparency and fixing properties, excellent transparency, and properties suitable for full-color toners.
- Japanese Patent Application Laid-Open No. 8-30027 proposes a resin having good low-temperature fixability, but it has insufficient balance with pulverizability and aims at long-term printing durability. There is a problem that the durability is insufficient.
- toner resins with improved fixing performance have been developed.However, the market requirements for fixing performance have become more severe, and the above-mentioned technologies have been developed to provide anti-blocking properties.
- Japanese Patent Application Laid-Open No. Hei 4-366926 discusses a binder resin using a combination of a non-linear polyester and a linear polyester. Specifically, a non-linear polyester having a softening temperature of 110 ° C to 116 ° C and a linear polyester having a softening point of 85 ° C to 102 ° C are used together. A toner having a temperature of 0 ° C. or higher is disclosed. However, the toner described in Japanese Patent Application Laid-Open Publication No. Hei 4-362956 has a wide fixing temperature range, but the minimum fixing temperature is as high as 150 ° C. or higher, and the low-temperature fixing property is not yet sufficient.
- an object of the present invention is to solve the above-mentioned problems of the prior art, and to provide a toner which is excellent in low-temperature fixing property, non-offset property, glossiness and the like, and is excellent in fixing temperature range.
- An object of the present invention is to provide a polyester resin and a resin composition for a toner, and a toner using the same.
- the first invention according to the present invention provides a linear polyester resin (A) containing an aliphatic diol component having 3 to 10 carbon atoms, and a linear polyester resin containing an aliphatic diol component having 3 to 10 carbon atoms.
- the second invention according to the present invention includes a linear polyester resin (A) containing an aliphatic diol component having 3 to 10 carbon atoms, and an aliphatic diol component having 3 to 10 carbon atoms.
- a resin composition for a toner in the range of 0.5 to 10; and a toner containing the resin composition for a toner as a binder resin.
- the third invention according to the present invention is directed to a glass composition
- a glass composition comprising an aliphatic diol component having 3 to 10 carbon atoms in an amount of 10 to 60 mol parts per 100 mol parts of a rubonic acid component.
- the transition temperature is in the range of 50 to 75 ° C
- the weight average molecular weight Mw is in the range of 25,000 to 100,000
- the resin has no melting point
- the softening temperature is A linear polyester resin for toner (a 1) having an acid value of 150 ° C. to 220 ° C. and an acid value of 1 O mg K OHZ g or less, and a linear polyester resin for toner are bound.
- a fourth invention according to the present invention is a linear polyester resin comprising a dicarboxylic acid component and a diol component, wherein the aromatic dicarboxylic acid is at least 50 mol% in the total rubonic acid component, and has 4 to 4 carbon atoms.
- the aliphatic diol No. 8 contains at least 60 mol parts per 100 mol parts of the rubonic acid component, has a glass transition temperature in the range of 40 to 70 ° C, and has a mass average molecular weight Mw of 4 , A resin having a melting point in the range of 0000 to 100, 000 and a softening temperature in the range of 90 to 120 ° C (b 1) And a toner containing the linear polyester resin for a toner as a binder resin.
- a fifth invention according to the present invention is a toner containing a binder resin and a colorant, wherein the main component of the binder resin is a polyester resin, and the polyester resin is a polyester resin (X ) And a polyester resin (Y), and the compounding ratio of the polyester resin (X) and the polyester resin (Y) is from 95 to 955 (mass ratio), and the polyester resin (X ) Is a linear polyester resin having a mass average molecular weight Mw of 25, 000 to: L000, 000 and a softening temperature of 150 to 220 ° C, and a polyester resin ( Y) has a mass average molecular weight Mw of 2, 0
- a toner having a minimum fixing temperature of 130 ° C. or less and a fixing temperature width of 40 ° C. or more, which is a linear polyester resin of 0 to 100,000; The binder resin used.
- a polyester resin for a toner and a resin composition which are excellent in low-temperature fixing property, non-offset property, glossiness and the like and can provide a toner having an excellent fixing temperature range.
- a toner having excellent low-temperature fixing properties, non-offset properties, glossiness, and an excellent fixing temperature range can be obtained.
- an aliphatic diol component having 3 to 10 carbon atoms is an essential component. Contained.
- the obtained toner can have excellent fixability to paper.
- the aliphatic diol component having 3 to 10 carbon atoms can be appropriately selected and used as needed. Among them, neopentynoleglycol, propylene daricol, and cyclohexan dimethanol are used. Preferably, at least one component selected from the group consisting of These components may be used alone or in combination of two or more.
- the content of the aliphatic diol component having 3 to 10 carbon atoms in the linear polyester resin (A) and the linear polyester resin (B) is such that the total acid component of each resin is 100 mol parts. Then, (molar part of the aliphatic diol component having 3 to 10 carbon atoms in the linear polyester resin (B)) / (fat having 3 to 10 carbon atoms in the linear polyester resin (A)) Group diol component) must be in the range of 0.5 to 10 is there. This is because if the value is less than 0 or 5, the non-offset property of the toner tends to be poor. Preferably it is 0.9 or more, more preferably 1 or more. Also, when it exceeds 10, the non-offset property of the toner tends to be poor. It is preferably 7 or less, more preferably 6 or less.
- the linear polyester resin (A) preferably contains an aliphatic diol component having 3 to 10 carbon atoms in an amount of 10 to 60 mol parts, when the total acid component is 100 mol parts. . This is because when the amount of this component is 10 mol parts or more, the fixing property of the toner tends to be improved. It is more preferably at least 15 mol parts. Also, when the amount is not more than 60 mol parts, the non-offset property of the toner tends to be good. More preferably, it is not more than 55 mol parts.
- the linear polyester resin (B) preferably contains 55 to 100 parts by mole of an aliphatic diol component having 3 to 10 carbon atoms when the total acid component is 100 parts by mole. preferable.
- Polypropylene (6) 2, 2 Monobis (4-hydroxyphenyl) propane, Polyoxypropylene (2.2) 1,2,2-bis (4-Hydroxyphenyl) propane, Polyoxypropylene (2.4) —2,2-bis (4 -Hydroxyphenyl) propane, polyoxypropylene (3.3) —2,2-bis (4-hydroxypropyl) propane, and other aromatic diol components, each of which may be used alone or in combination of two or more. Can be used in a mixture. Since the aromatic diol component has the effect of increasing the glass transition temperature of the resin, when it is used as a component, the blocking resistance of the obtained toner tends to be improved.
- the amount of the aromatic diol used is limited to the linear polyester resin (100 mol parts).
- the amount is preferably 10 mol parts or less, and in the linear polyester resin (B), it is preferably 50 mol parts or less.
- examples of other useful diol components include, for example, ethylene glycol, hydrogenated bisphenol A, and the like. These can be used alone or in combination of two or more.
- dicarboxylic acid component useful as a component of the linear polyester resin (A) or the linear polyester resin (B) include terephthalic acid, isophthalic acid, and lower alkyl esters thereof. And the following components.
- Terephthalic acid or isophthalic acid Specific examples of the lower alkyl ester include dimethyl terephthalate, dimethyl isophthalate, getyl terephthalate, getyl isophthalate, dibutyl terephthalate, dibutyl isophthalate, and the like. In terms of cost and cost, terephthalic acid and isophtalic acid are preferred.
- These dicarboxylic acids or lower alkyl esters thereof can be used alone or in combination of two or more.
- dicarboxylic acid components include, for example, phthalic acid, sepasic acid, isodecylsuccinic acid, dodeceselsuccinic acid, maleic acid, fumaric acid, adipic acid, or their monomethyl, monoethyl, dimethyl or gepic acids. Components from tyl esters or their anhydrides can be mentioned. These dicarboxylic acid components are related to basic properties such as fixing property and anti-blocking property of the toner, and can be appropriately used according to required performance as long as the object of the present invention is not impaired.
- the linear polyester resin (A) preferably has a softening temperature in the range of 150 to 220 ° C. This is because the non-offset property of the toner tends to be improved by setting the softening temperature to 150 ° C. or higher. It is more preferably at least 160 ° C., and even more preferably at least 170 ° C. Further, when the softening temperature is set to 220 ° C. or lower, the fixing property of the toner tends to be improved. It is more preferably at most 210 ° C, and even more preferably at most 200 ° C.
- the linear polyester resin (A) preferably has a glass transition temperature (hereinafter referred to as Tg) in the range of 50 to 75 ° C.
- Tg glass transition temperature
- the toner tends to have good blocking resistance. It is more preferably at least 52 ° C.
- T g 7 When the temperature is set to 5 ° C. or lower, the fixability of the toner tends to be improved. More preferably, the temperature is 73 ° C or lower.
- the linear polyester resin (A) preferably has a mass average molecular weight Mw in the range of 25,000 to: L0000,000.
- Mw mass average molecular weight
- the toner tends to have good non-separable offset. More preferably, it is 29,000 or more.
- the weight average molecular weight Mw is 100,000 or less, the fixing property of the toner tends to be improved. More preferably, it is 90,000 or less.
- the linear polyester resin (A) preferably does not have a melting point.
- the fixability and glossiness of the toner tend to be improved.
- the acid value of the linear polyester resin (A) is preferably not more than 10 mg KOH / g. This tends to make it difficult for the toner image density to decrease.
- the aliphatic diol having 3 to 10 carbon atoms in the linear polyester resin (al) is not particularly limited, but is at least one kind selected from neopentyldaricol, propylenichol, and cyclohexanedimethanol. Is preferred.
- the softening temperature of the linear polyester resin (al) is more preferably at least 160 ° C, and even more preferably at least 170 ° C, from the viewpoint of non-offset properties. Further, the softening temperature of the linear polyester resin (al) is more preferably 210 ° C or lower, and further preferably 200 ° C or lower, from the viewpoint of fixability.
- the glass transition temperature of the linear polyester resin (a1) is preferably at least 52 ° C from the viewpoint of blocking resistance, and is preferably at most 73 ° C from the viewpoint of fixability. preferable.
- the linear polyester resin (B) preferably has a mass average molecular weight Mw in the range of 2,000 to 10,000. Mass average molecule By setting the amount Mw to 2,000 or more, the non-offset property of the toner tends to be improved. It is more preferably at least 3,000. By setting the mass average molecular weight Mw to 100,000 or less, the fixing property of the toner tends to be improved.
- the linear polyester resin (B) preferably does not have a melting point.
- the fixability and glossiness of the toner tend to be improved.
- the linear polyester resin (B) preferably has a Tg in the range of 40 to 70 ° C.
- Tg is set to 40 ° C. or higher, the blocking resistance of the toner tends to be improved. It is more preferably at least 45 ° C.
- the Tg is set to 70 ° C. or less, the fixability of the toner tends to be improved. More preferably, it is 67 ° C or less.
- the linear polyester resin (B) preferably has an acid value of 30 mg KOHZg or less. This tends to make it difficult for the toner image density to decrease. More preferably, it is 20 mg K OHZ g or less.
- the acid value of the linear polyester resin (B) should be adjusted to the linear polyester resin. It is preferred to be higher than the acid value of (A).
- the linear polyester resin (B) contains 55 to 100 mole parts of an aliphatic diol component having 3 to 10 carbon atoms, and has a glass transition temperature of 40 to 70 ° C. It is preferable that the weight average molecular weight Mw is 2, 000 to: L0, 000, and the polyester resin (b) has no melting point.
- an aromatic dicarboxylic acid is used as a dicarboxylic acid component in an amount of at least 50 mol%, preferably at least 90 mol%, more preferably at least 95 mol%, of the sulfonic acid component. % Or more. This is because by setting the aromatic dicarboxylic acid component to 50 mol% or more, the obtained resin tends to have good physical properties such as fixing property and anti-blocking property.
- the content of the aliphatic diol having 4 to 8 carbon atoms is preferably 70 mol parts or more.
- the linear polyester resin (b1) has a softening temperature in the range of 90 to 120 ° C.
- the reason for this is that when the softening temperature is 90 ° C. or higher, the blocking resistance of the toner tends to be good. Preferably, it is at least 95 ° C. Further, when the softening temperature is set to 120 ° C. or lower, the low-temperature fixability of the toner tends to be improved. Preferably, it is 110 ° C. or lower.
- the linear polyester resin (bl) has a glass transition temperature in the range of 40 to 70 ° C. This is because by setting the glass transition temperature to 40 ° C. or higher, the blocking resistance of the toner tends to be improved. Preferably, it is 50 ° C. or higher. Also, the glass transition temperature
- the temperature is 70 ° C. or lower, the low-temperature fixability of the toner tends to be good. It is preferably at most 65 ° C.
- the linear polyester resin (A) and the linear polyester resin (B) are obtained by polymerizing an acid component such as dicarboxylic acid and an alcohol component such as diol through an esterification reaction or a transesterification reaction and a condensation reaction. Can be obtained.
- a polymerization catalyst such as titanium tetrabutoxide, dibutyltin oxide, tin acetate, zinc acetate, tin disulfide, antimony trioxide, and germanium dioxide can be used.
- the polymerization temperature is preferably in the range of 180 to 290 ° C.
- the progress of the polymerization reaction during the production of the polyester resin increases as the molecular weight (viscosity, softening temperature) of the resin in the reaction system increases, and the torque value of the stirring blade (rotating at a constant speed) in the polymerization vessel Can be confirmed from.
- the torque value corresponding to the desired softening temperature of the resin is reached, the end point of the polymerization can be determined.
- the dicarboxylic acid component and the diol component are heated at a temperature in the range of 250 to 280 ° C, and 200 to 500 ° C.
- Esterification reaction under pressure in the range of kPa It is particularly preferable that the polycondensation is carried out at a temperature of at least 250 ° C. to 300 ° C. and at least 5 ° C. higher than the esterification reaction temperature and at a pressure of 1 kPa or less.
- esterification reaction temperature 250 ° C. or higher
- the reactivity between the dicarboxylic acid component and the diol component becomes good, and the amount of unreacted monomer tends to be reduced.
- it is 260 ° C. or higher.
- esterification reaction temperature 280 ° C or lower, evaporation of low-boiling monomers (eg, diol components) during the reaction can be suppressed, and the amount of unreacted monomers can be reduced. This is because there is a tendency that it can be performed. It is more preferably at most 270 ° C.
- the reaction temperature during the condensation polymerization following the esterification reaction is 250 ° C. or higher, the polycondensation reactivity is improved, the softening temperature is high, and the toner is excellent in non-offset properties. This is because there is a tendency to obtain a resin. More preferably, the temperature is 260 ° C. or higher. Further, by setting the reaction temperature at the time of polycondensation at 300 ° C. or less, thermal decomposition of the resin is suppressed, and a resin for toner having a high softening temperature and excellent non-offset properties can be obtained. This is because there is a tendency to do so. More preferably, it is at most 290 ° C.
- the pressure at the time of polycondensation to lkPa or less, the polycondensation reactivity tends to be improved, and a resin for toner having a high softening temperature and excellent non-offset properties tends to be obtained. It is. More preferably, it is 0.8 kPa or less.
- condensation polymerization it is particularly preferable to carry out the condensation polymerization at a temperature higher than the esterification reaction temperature by 5 ° C or more.
- Polycondensation at a temperature higher than 5 ° C suppresses distilling of oligomers and unreacted components, and improves polycondensation reactivity, resulting in high softening temperature and non-offset properties. This is because an excellent toner resin tends to be obtained. More preferably, it is 7 ° C or more.
- the polymerization catalyst is used in such an amount that at least one or more metal atoms selected from antimony, titanium, tin, zinc and manganese are in the range of 500 to 500 ppm based on the total acid components. It is preferred that This is because the use of a polymerization catalyst having an amount of metal atoms of 50 ppm or more tends to produce a toner resin having a high softening temperature and excellent non-offset properties. More preferably, it is at least 80 ppm. Further, by using an amount of 500 ppm or less, there is a tendency that a resin for toner having excellent gloss and no coloring can be obtained. More preferably, it is set at 480 ppm or less.
- the resin composition for toner of the present invention preferably contains 3 to 50% by mass of the linear polyester resin (A), and contains 50 to 97% by mass of the linear polyester resin (B). preferable.
- the non-offset property of the toner tends to be improved by setting the linear polyester resin (A) to 3% by mass or more. It is more preferably at least 5% by mass. On the other hand, if the content is 50% by mass or less, the fixing property of the toner tends to be good. It is. It is more preferably at most 45% by mass.
- the fixability of the toner tends to be improved. It is more preferably at least 55% by mass.
- the content is more preferably at most 95% by mass.
- the toner of the present invention contains the above-mentioned resin composition for a toner as a binder resin. It is preferable that 80 to 100% by mass of the binder resin is composed of the resin composition for a toner, and may be used in combination with a vinyl resin, a cyclic olefin resin, an epoxy resin, or the like.
- the resin composition for a toner of the present invention contains 3 to 50% by mass of the linear polyester resin (A) and 10 to 50% by mass of the linear polyester resin (B). 9 6 mass 0 /. It is preferable to contain 1 to 40% by mass of the butyl resin (C).
- Examples of the vinyl resin (C) include a styrene resin, a (meth) acrylic resin, and a styrene-acryl resin, and among them, the non-offset property and the charging property are excellent. Thus, styrene-acrylic resins and (meth) acrylic resins are preferred.
- Examples of the vinyl monomer constituting the vinyl resin (C) include, for example, styrene, o-methylenstyrene, m-methylenstyrene, p-methylenstyrene, ⁇ -methylenstyrene, and ⁇ -methylenstyrene.
- Tinolestyrene 2,4-dimethinolestyrene, ⁇ - ⁇ -butynolestyrene, ⁇ -tert-butynolestyrene, -n-hexinolestyrene, p-n-butinolestyrene, p-n-noninolestyrene, p — N _densinolestyrene, ⁇ -n Styrene monomers such as dodecinolestyrene, p-phenylenostyrene, 3,4-dicyclostyrene, etc .; (meth) methyl acrylate, (meth) acrylic acid ethyl ester, (meth) acrylic acid N-butyl ethyl acrylate, tert-butyl (meth) acrylate, tert-butyl (meth) acrylate, 2-methylhexyl (meth) acrylate, 2-methylhexyl
- styrene-based monomers are preferable from the viewpoint of chargeability and pulverizability, and styrene is particularly preferable.
- the upper limit of the use ratio of styrene in the bullet resin (C) is set to 85% by mass, the image properties of the toner can be further improved.
- (meth) methyl acrylate, n-butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, stearyl (meth) acrylate The (meth) acrylic acid alkyl ester monomers are preferred.
- the vinyl resin (C) has substantially no gel component.
- This gel content means THF (tetrahydrofuran) insoluble matter. Because the vinyl resin (C) has no gel component, This is because one fixing property tends to be good.
- the vinyl resin (C) preferably has a softening temperature in the range of 115 to 180 ° C. This is because the non-offset property of the toner tends to be improved by setting the softening temperature to 115 ° C. or higher. It is more preferably at least 120 ° C. Further, when the softening temperature is set to 180 ° C. or lower, the fixing property of the toner tends to be improved. It is more preferably 170 ° C. or lower.
- the bur resin (C) preferably has a Tg in the range of 50 to 70 ° C.
- the Tg is 50 ° C. or higher, the blocking resistance of the toner tends to be good. It is more preferably at least 52 ° C.
- the Tg is set to 70 ° C. or lower, the fixing property of the toner tends to be improved. More preferably, it is 68 ° C or less.
- the bur resin (C) preferably has a weight average molecular weight Mw in the range of 4 °, 000 to 400, 000.
- Mw weight average molecular weight
- the non-offset property of the toner tends to be improved. More preferably, it is 50,000 or more.
- Mw mass average molecular weight
- the mass average molecular weight Mw is equal to or less than 400, 000, the fixing property of the toner tends to be good. More preferably, it is 60, 000 or less.
- the acid value of the bullet resin (C) is preferably 40 mg KOHZg or less. As a result, the image density of the toner tends to be hardly reduced. More preferably, it is 30 mg KOHZ g or less.
- the vinyl resin (C) can be obtained by polymerizing the above-mentioned vinyl monomer by a method such as suspension polymerization, emulsion polymerization, bulk polymerization, and solution polymerization.
- the initiator used in the polymerization include a peroxide-based initiator, an azo-based initiator, and a redox-based initiator.
- a polymerization aid such as an agent, a dispersant, a dispersing aid, and a solvent can be selected and used as needed.
- the toner of the present invention can further contain a release agent, a colorant, a charge control agent, a flow modifier, a magnetic material, and the like.
- the release agent preferably has, for example, a melting point in the range of 60 to 100 ° C. This is because the use of a toner having a melting point of 60 ° C. or more tends to improve the blocking resistance of the toner. More preferably, it is at least 65 ° C. Also, the use of a toner having a melting point of 100 ° C. or lower tends to improve the low-temperature fixability of the toner. More preferably, the temperature is 95 ° C. or less.
- the release agent can be previously compounded as an additive to the above-mentioned linear polyester resin (A) or linear polyester resin (B), and these polyesters can be used in the presence of the release agent. Resin can also be polymerized.
- a release agent containing an alcohol component a part of the alcohol component reacts with the monomer component, and the compatibility between the polymer component and the release agent component is improved.
- the dispersion diameter of the release agent component contained in the toner of the present invention can be further reduced, and the non-offset property of the toner tends to be improved.
- Penetration at 5 ° C is 3 or less and contains alcohol component
- the release agent component examples include rice wax and carnapax. Among them, carnapa wax is particularly preferable in terms of improving fixability.
- the toner of the present invention may contain other release agents, if necessary.
- release agents include polypropylene waxes, polyethylene waxes, synthetic ester waxes, fatty acid amides, and silicone waxes.
- these release agents are contained in the toner of the present invention in the range of 1 to 10% by mass. This is because the non-offset property of the toner tends to be improved by setting the content of the release agent component to 1% by mass or more. It is more preferably at least 1.5% by mass. Also, when the content is 10% by mass or less, the glossiness and image stability of the toner tend to be good. More preferably, the content is 9% by mass or less.
- cyan examples include phthalocyanine.
- the colorant is preferably used in the toner in an amount of about 2 to 10% by mass in view of the color tone, image density, and thermal characteristics of the toner.
- the charge control agent that can be used in the toner of the present invention include a quaternary ammonium salt and a basic or electron donating organic material as the positive charge control agent, and a metal as the negative charge control agent. Chelates, metal-containing dyes, acidic or electron-withdrawing organic substances, etc. can be used.
- the charge control agent is colorless or light-colored and there is no color hindrance to the toner, for example, metal salts of salicylic acid or alkyl salicylic acid with chromium, zinc, aluminum, etc., metal Examples include a complex, an amide compound, a phenol compound, and a naphthol compound. Further, a styrene polymer, an acrylic acid polymer, a methacrylic acid polymer, or a vinyl polymer having a sulfonic acid group may be used as the charge control agent. These charge control agents are preferably used in an amount of 0.5 to 5% by mass in the toner.
- the charge amount of the toner becomes a sufficient level when the charge control agent is 0.5% by mass or more, and a decrease in the charge amount due to aggregation of the charge control agent is suppressed by setting the charge control agent to 5% by mass or less. This is due to the tendency.
- These magnetic materials can be preferably used in the toner in the range of 40 to 60 mass *%.
- the amount of the magnetic material used is 40% by mass or more, the charge amount of the toner tends to be a sufficient level, and when the amount is 60% by mass or less, the adhesion of the toner tends to be good.
- the carrier use a magnetic substance such as iron powder, magnetite powder, or fly powder, or a material whose surface is coated with a resin or a known magnetic carrier. Can be.
- coating resins for resin coating carriers include generally known styrene resins, acryl resins, styrene acryl copolymer resins, silicone resins, modified silicone resins, Fluorinated resins, mixtures of those resins, and the like can be used.
- the toner of the present invention is prepared by mixing the above-described toner composition, a release agent, a colorant, a charge control agent, a flow modifier, a magnetic material, and the like, and then melt-kneading the mixture with a twin-screw extruder or the like. It can be manufactured by performing coarse pulverization, fine pulverization and classification, and, if necessary, externally adding inorganic particles. In particular, in the kneading step, kneading is preferably performed at a temperature in the cylinder of the extruder higher than the softening temperature of the polyester resin.
- the Tg of the resin composition for a toner contained therein is in the range of 45 to 70 ° C. This is because by setting the Tg at 45 ° C. or higher, the blocking resistance of the toner tends to be improved. It is more preferably at least 47 ° C. By setting the Tg to 70 ° C. or lower, the fixability of the toner tends to be improved. More preferably, it is 68 ° C or lower.
- the softening temperature of the resin composition for toner contained therein is preferably in the range of 90 to L'40 ° C.
- the softening temperature is 90 ° C. or higher, the non-offset property of the toner tends to be good. It is more preferably at least 95 ° C, and even more preferably at least 100 ° C.
- the softening temperature is set to 140 ° C. or lower, the fixing property of the toner tends to be improved.
- the temperature is more preferably 130 ° C. or lower, and even more preferably 120 ° C. or lower.
- the toner of the present invention preferably has a melt viscosity at 120 ° C. of the resin composition for a toner contained therein in the range of 100 to 500 Pas.
- the melt viscosity is 100 PaS or more, the non-offset property of the toner tends to be improved. It is more preferably at least 200 PaS.
- the melt viscosity is not more than 4600 PaS.
- the weight average molecular weight Mw of the resin composition for a toner contained therein is preferably in the range of 8,000 to 600,000.
- the weight average molecular weight Mw By setting the weight average molecular weight Mw to 8.0 or more, the non-offset property of the toner tends to be improved. More preferably, it is at least 100,000.
- the mass average molecular weight Mw By setting the mass average molecular weight Mw to 60,000 or less, the fixing property of the toner tends to be improved. More preferably, it is 50,000 or less.
- the glossiness of the toner of the present invention is preferably in the range of 10 to 40. When the glossiness is 10 or more, the color development of the toner becomes good, and the glossiness of the obtained image tends to be good. It is more preferably at least 20 and even more preferably at least 30. Further, by setting the glossiness to 40 or less, excessive color development of the toner is suppressed, and the image quality tends to be improved, which is preferable.
- the toner of the present invention preferably has an average particle size of 7 ⁇ m or less. This is because when the toner has a flat particle diameter of 7 ⁇ m or less, an image having excellent non-offset properties and excellent glossiness and resolution tends to be obtained.
- the polyester resin (X) has a mass average molecular weight Mw of 25, 000 to: L0000, 000 and a softening temperature of 150,000.
- Polyester resin (Y) using a linear polyester having a weight average molecular weight Mw of from 2,000 to 100,000
- the minimum fixing temperature is 130 ° C or less
- the low-temperature fixing width is 40 ° C.
- a toner having a C or higher can be obtained.
- the fixing temperature width tends to become narrower as the roller speed decreases. Therefore, the low-temperature fixing device tends to have a narrow low-temperature fixing width, and the fifth invention according to the present invention relates to a toner capable of securing a sufficient fixing temperature range even in a low-speed fixing device.
- the minimum fixing temperature refers to the heat roller set temperature sequentially using a modified apparatus of a copying machine “PAG EPRESTN 4—6 1 2 1 1” (manufactured by Casio Electronics). While lowering, visually check whether the image printed on the top of A4 plain paper adheres to the rollers and stains the bottom margin of the paper. This is the lowest set temperature that does not occur.
- the fixing temperature width is the difference between the maximum fixing temperature and the minimum fixing temperature, and the maximum fixing temperature is to measure the glossiness of the fixed image while sequentially increasing the set temperature of the heat roller, and to determine the glossiness. Is the maximum temperature.
- the minimum fixing temperature of the toner exceeds 130 ° C, it is not preferable because the set temperature of the heat roller increases and the power consumption of the printer increases.
- the resin (X) may be a linear polyester having a weight average molecular weight Mw of 25,000 to 100,000 and a softening temperature of 150 to 220 ° C.
- the polyester resin (Y) is not particularly limited as long as it is a linear polyester resin having a weight average molecular weight Mw of 2,000 to 10,000, and is not particularly limited. It is preferable to use an ester resin (B).
- the polyester resin (Y) when used in combination with two or more polyesters having at least one different composition, weight average molecular weight, softening temperature, and Tg, the balance between the minimum fixing temperature and the fixing temperature range is particularly high. It is preferable to use at least two kinds of polyesters as the polyester resin (Y) because they tend to be good.
- a difference in softening temperature between the two kinds of polyesters is 5 ° C. or more.
- the polyester resin (Y) contains at least two kinds of polyesters having a difference in softening temperature of 5 ° C. or more, the fixing temperature range tends to be widened.
- the upper limit of the difference is not particularly limited, but is preferably 20 ° C. or less. When the difference in softening temperature is 20 ° C. or less, the fixing temperature range of the toner tends to be good.
- the compounding ratio of the polyester resin (X) and the polyester resin (Y) is 5:95 to 95: 5 (mass ratio).
- the minimum fixing temperature is 130 ° C. or less, and the fixing temperature range is Can be obtained at 40 ° C. or higher.
- the mixing ratio is more preferably from 10:90 to 90:10, and particularly preferably from 15:85 to 85:15.
- the weight average molecular weight is measured by gel permeation chromatography. (HCL-8200 manufactured by Tosoh Corporation) under the following measurement conditions.
- the endothermic peak measured at a heating rate of 5 ° CZ using a differential scanning calorimeter was taken as the melting point.
- ⁇ (Very good) Offset temperature is 230 ° C or more
- Offset generation temperature is more than 200 ° C and less than 220 ° C
- X (Poor) Offset generation temperature is less than 200 ° C 7) 1 2.
- Evaluation method 2 Evaluation method for medium speed, low temperature printer
- Roller with fixing roller not coated with silicone oil Printing is performed using a printer (a modified version of the copier “PAG EPRESTN 4-6-12 II” manufactured by Ricoh Electronics) whose temperature can be changed to a speed of 100 mm / sec.
- the offset properties were evaluated.
- the maximum temperature at which toner transfers to the fixing roller during fixing is defined as the temperature at which offset occurs, and the non-separable offset is determined using the following criteria. '
- HOS generation temperature is 200 ° C or more
- HOS generation temperature is more than 180 ° C and less than 200 ° C
- ⁇ (usable) HOS generation temperature is more than 175 ° C and less than 185 ° C
- HOS generation temperature is less than 175 ° C
- a printer that has a fusing roller that is not coated with silicone oil and that can change the temperature set at a roller speed of 5 Omm / s Printing was performed using a copy machine “PAG EPRESTN 4-6-12 II” manufactured by Rishio Electronics Industry Co., Ltd.), and non-offset properties were evaluated. In addition, the maximum temperature at which toner transferred to the fixing roller during fixing was determined as the temperature at which offset occurred, and non-offset properties were determined using the following criteria.
- ⁇ (Very good) Offset occurrence temperature is 230 ° C or more
- ⁇ (usable) Offset generation temperature is more than 200 ° C and less than 220 ° C
- the fixing roller used here is a fixing roller not coated with silicone oil, and has a nip width of 3 mm and a linear velocity of 70 mm / s. While increasing the set temperature of the heat roller by 5 ° C, visually check whether the image printed on the top of A4 plain paper (BM64 T made by Daishowa Paper) adheres to the roller and stains the bottom margin of the paper.
- A4 plain paper BM64 T made by Daishowa Paper
- the operation of confirming the above was repeated up to 200 ° C., and the gloss value of the fixed image was measured using a gloss meter PG-1 manufactured by Nippon Denshoku Industries Co., Ltd. at an incident angle of 75 °. Glossiness increases with increasing set temperature, but decreases at a certain temperature.
- the set temperature at which the glossiness starts to decrease is regarded as the hot offset occurrence temperature, and the temperature at which the glossiness is maximized is defined as the maximum fixing temperature.
- Evaluation method 1 Evaluation method for medium speed printers
- the fixing temperature the minimum temperature at which the toner began to fix on paper was defined as the fixing temperature, and was determined based on the following criteria.
- Fixing temperature is less than 120 ° C
- Evaluation method 2 Evaluation method for medium-speed, low-temperature printers
- the fixing temperature was determined based on the following criteria, with the temperature of one color as the fixing start temperature.
- the fixing temperature the minimum temperature at which the toner began to fix on paper was defined as the fixing temperature, and was determined based on the following criteria.
- Fixing temperature is less than 120 ° C
- Transfer toner image based on measurement of non-offset evaluation method 4 The fixing process is performed by the heat roller fixing machine described above, and the image printed on the top of A4 plain paper (BM64 T manufactured by Daishowa Paper) adheres to the rollers while the set temperature of the heat roller is lowered by 5 ° C. Then, it was visually checked whether the lower margin of the paper was stained, and the lowest set temperature at which no stain was generated was defined as the minimum fixing temperature.
- A4 plain paper BM64 T manufactured by Daishowa Paper
- the difference between the maximum fixing temperature and the minimum fixing temperature was defined as the fixing temperature width.
- the evaluation criteria are as follows.
- the image was fixed on the toner at 150 ° C, and the measurement was performed using a Darling Meter PG-1 manufactured by Nippon Denshoku Industries Co., Ltd. Was evaluated.
- the image fixed with the fixing roller temperature set to 14.5 ° C is Rub 9 times with an IS 512 sand eraser, measure the image density before and after the test with a Macbeth image densitometer, and determine the fixing rate.
- Antimony trioxide having a monomer composition having a charge composition shown in Table 1 and 2000 ppm of the total acid component was charged into a reaction vessel equipped with a distillation column. Next, the rotation speed of the stirring blade in the reaction vessel was maintained at 120 rpm, the temperature was raised, and the temperature in the reaction system was heated to 265 ° C and maintained at this temperature. Approximately 7 hours after the water was distilled off from the reaction system and the esterification reaction started, the distillation of water was stopped and the reaction was terminated. Next, the temperature inside the reaction system was lowered to 285 ° C, and the pressure inside the reaction vessel was reduced over about 40 minutes, the degree of vacuum was set to 1.0 mmHg, and The condensation reaction was performed while distilling the components.
- the viscosity of the reaction system increased with the reaction, and the degree of vacuum was increased with the increase in the viscosity.
- the condensation reaction was carried out until the torque of the stirring blade reached a desired softening temperature. Then, when the specified torque was reached, the reaction system was returned to normal pressure, heating was stopped, and the pressure was increased with nitrogen to remove the reactants over about 40 minutes, and the resins HA to HL were removed. Obtained.
- Dionolle A Polyoxypropylene (2.3) —2, 2 _bis (4-hydroxyphenyl) propane
- Production example 2 Production example of linear polyester resin (B)
- Dibutyltin oxide of 100 ppm with respect to the monomer components, additives and total acid components having the charged compositions shown in Table 2 was charged into a reaction vessel equipped with a distillation column. Next, the rotation speed of the stirring blade in the reaction vessel was maintained at 120 rpm, the temperature was raised, and the reaction system was heated so that the temperature in the reaction system became 260 ° C, and this temperature was maintained. Approximately 8 hours after the water was distilled off from the reaction system and the esterification reaction started, the distillation of water was stopped and the reaction was terminated.
- the resins LA to LN thus obtained were subjected to composition analysis by liquid gas chromatography, and as a result, the resin compositions were as shown in Table 2.
- Table 2 also shows the characteristic values of the resin.
- each of the resins obtained above was converted into a toner.
- Tona 5 parts by mass of quinatalidone pigment (E02 from Clariant) together with the linear polyester resin (A) and linear polyester resin (B) in the amounts shown in Table 3 5 parts by mass of Carnapax (manufactured by Toyo Vietnam Co., Ltd.) and 2 parts by mass of a negatively chargeable charge control agent (E-84, manufactured by Orient Chemical Co., Ltd.) were mixed with a Henschel mixer for 30 minutes. . Next, the obtained mixture was melt-kneaded twice with a biaxial kneader. Melt kneading was performed at an internal temperature of 180 ° C.
- the obtained toners 1 to 18 were evaluated for toner using the above-mentioned evaluation method (however, the evaluation method of non-offset property and the evaluation method of fixability were both evaluation methods 1). Table 3 shows the evaluation results of these toners.
- Toners 19 to 20 were obtained in the same manner as in Example 1 except that the amount of the polyester resin shown in Table 4 was used in the compounding of the toner.
- Toners 21 to 23 were obtained in the same manner as in Example 1 except that the amount of the polyester resin shown in Table 5 was used in the compounding of the toner, and the amount of the carna power was changed to 15 parts by mass.
- Toners C1 to C4 were obtained in the same manner as in Example 1 except that the amounts of the linear polyester resin (A) and the linear polyester resin (B) shown in Table 6 were used in the compounding of the toner.
- the obtained toners C1 to C4 were evaluated for toner using the above-mentioned evaluation methods (however, the evaluation methods for the non-offset property and the fixing property were both evaluation methods 1). Table 6 shows the evaluation results of these toners.
- Toners C5 to C6 were obtained in the same manner as in Example 3 except that the amounts of the linear polyester resin (A) and the linear polyester resin (B) shown in Table 7 were used in the compounding of the toner.
- the obtained toners C5 to C6 were evaluated for toner using the above-described evaluation methods (however, the evaluation methods for the non-offset property and the fixing property were both evaluation methods 1). Table 7 shows the evaluation results of these toners.
- Tona is formulated with the quinata lidone pigment (Clariant E.) together with the linear polyester resin (A), linear polyester resin (B), and vinyl resin (C) in the amounts shown in Table 9. 0 2) 5 parts by mass, Carnapower (Toyo Petrolide) 5 parts by mass, 2 parts by mass of negatively chargeable charge control agent (Orient Chemical Co., Ltd. E-84) Mix for 30 minutes. Next, the obtained mixture was melt-kneaded twice with a biaxial kneader. Melt kneading was performed with the internal temperature set at 180 ° C.
- the mixture was cooled to obtain a toner lump, finely pulverized with a jitter mill, and the particle diameter of the toner was adjusted with a classifier to make the particle diameter 5 / xm.
- 0.25% silica Nippon Aerosil R-972 was added and mixed and adhered with a Henschel mixer to finally obtain toners 24 to 35.
- the obtained toners 24 to 35 were evaluated for toner using the above-described evaluation methods (however, the evaluation methods for non-offset properties and the fixing properties were both evaluation methods 3). Table 9 shows the evaluation results of these toners.
- composition ratio When the total amount of all acid components is 100 mol parts,
- the toner C 10 was prepared in the same manner as in Example 5 except that the amounts of the linear polyester resin (A), the linear polyester resin (B), and the vinyl resin (C) shown in Table 10 were used in the compounding of the toner. Got.
- the obtained toner C10 was subjected to toner evaluation using the same evaluation method as in Example 4 (however, the evaluation method for non-offset property and the fixing property were both evaluation methods 3). .
- Table 10 shows the evaluation results of this toner.
- composition ratio When the total amount of all acid components is 100 mol parts,
- the number of carbon atoms in the linear polyester resin (B) is 3 to: mole part of the aliphatic diol component of L0) /
- the number of carbon atoms in the polyester resin (A) is 3 to: the molar part of the aliphatic diol component of L0)
- Antimony trioxide having a monomer composition of the charged composition shown in Table 11 and 500 ppm of the total acid component were charged into a reaction vessel equipped with a distillation column. Next, the rotation speed of the stirring blade in the reaction vessel was maintained at 120 rpm, the temperature was raised, and the reaction system was heated so that the temperature in the reaction system became 260 ° C., and this temperature was maintained. Approximately 8 hours after the water was distilled off from the reaction system and the esterification reaction started, the distillation of water was stopped and the reaction was terminated.
- the temperature in the reaction system was lowered to 230 ° C, the pressure inside the reaction vessel was reduced over about 40 minutes, the degree of vacuum was set to 1.0 mmHg, and the diol component was removed from the reaction system.
- a condensation reaction was performed while distilling. With the reaction, the viscosity of the reaction system increased, the softening temperature of the resin in the reaction system was followed, and the condensation reaction was carried out until a value indicating the desired softening temperature was reached. Then, when the predetermined softening temperature was reached, the reaction system was returned to normal pressure, heating was stopped, the pressure was increased with nitrogen, the reaction product was taken out for about 2 hours, and then gradually cooled for another 2 hours. Then, the resin LO ⁇ : LV was obtained. Table 11 also shows the results of composition analysis of the obtained resin by liquid gas chromatography and the physical properties of the resin.
- polyester resins LO to LR obtained above, a toner was formed.
- toner compounding 93 parts by mass of polyester resin, 3 parts by mass of quinatalidone pigment (E02, manufactured by Clariant), 3 parts by mass of carnapa wax (manufactured by Toyo Petrolide), negative One part by mass of a charge controlling agent (E-84, manufactured by Orient Chemical Co., Ltd.) was used and mixed with a Henschel mixer for 30 minutes. Next, the obtained mixture was melt-kneaded twice with a biaxial kneader. Melt kneading was performed by setting the internal temperature to the softening temperature of the resin.
- the mixture was cooled to obtain a toner soul, finely crushed with a jet mill crusher, and the particle size of the toner was adjusted with a classifier to make the particle size 5 m.
- 0.25% silica R-972, manufactured by Nippon Aerosil Co., Ltd.
- the obtained toner was evaluated for toner by the above-mentioned evaluation method (however, both the evaluation method of non-offset property and the evaluation method of fixability are evaluation methods 2). Table 12 shows the results of these evaluations.
- Toners C11 to C14 were produced in the same manner as in Example 5 except that the polyester resin was changed to resin LS to LV. Table 12 shows the evaluation results.
- a monomer component having a charged composition shown in Table 13 and 150 ppm of antimony trioxide based on the total acid component were charged into a reaction vessel equipped with a distillation column. Then, the temperature was raised, and the reaction system was heated so that the temperature in the reaction system became 265 ° C., and this temperature was maintained, and the reaction was continued until the distillation of water from the reaction system stopped. Next, the temperature in the reaction system was set at 285 ° C., the pressure in the reaction vessel was reduced, and a condensation reaction was performed while distilling out the diol component from the reaction system. The condensation reaction was carried out until the viscosity of the reaction system increased with the reaction, and the torque of the stirring blade reached a value indicating a desired softening temperature. Then, when a predetermined torque was shown, the reaction product was taken out and cooled to obtain resins la to lf. Table 13 shows the characteristic values of each polyester resin.
- Diol A Polyoxypropylene mono (2.2) —2,2-bis (4-hydroxypheninole) propane diol
- B Polyoxyethylene mono (2.0) -2,2-bis (4-hydroxyphenyl) Nore) propane
- binder resins As binder resins, a total of 93 parts by mass of polyester resins in the combinations and compounding amounts shown in Table 15; 3 parts by mass of quinata lidone pigment (E02, manufactured by Kura La Rianto Co.); Petrolide) 3 parts by weight, 1 part by weight of a negatively chargeable charge control agent (LR-147, manufactured by Nippon Carrier) were premixed, and the resulting mixture was mixed using a twin-screw kneader. The mixture was melted and kneaded at 160 ° C, coarsely pulverized, then finely pulverized with a jitter mill, and the particle size of the toner was adjusted with a classifier to make the average particle size 5 ⁇ .
- quinata lidone pigment E02, manufactured by Kura La Rianto Co.
- Petrolide 3 parts by weight, 1 part by weight of a negatively chargeable charge control agent (LR-147, manufactured by Nippon Carrier) were premixed, and
- Toners C15 to C17 were obtained in the same manner as in Example 6, except that a total of 93 parts by mass of the polyester resin having the combinations and amounts shown in Table 15 was used as the binder resin. .
- Table 16 shows the results of the evaluation of the performance (however, both the evaluation method for non-offset property and the evaluation method for fixing property were evaluated by the evaluation method 4).
- the polyester resin (X) has a softening temperature of less than 150 ° C and a weight average molecular weight of less than 250,000. Cut temperature and maximum fusing temperature are reduced, resulting in fusing temperature range
- the toner C16 contains less than 5 parts by weight of the polyester resin (X), the hot offset temperature and the maximum fixing temperature are lowered, and as a result, the fixing temperature range is 10 ° C. It became narrow.
- Toner C17 used polyester resin (X) having a weight average molecular weight exceeding 100,000, so the minimum fixing temperature was as high as 150 ° C and the low-temperature fixing property was poor. Met.
- Polyester resin (X) Polyester resin ( ⁇ ) Polyester ( ⁇ )
- the present invention is useful for a technique for developing an electrostatic image or a magnetic latent image in an electrophotographic method, an electrostatic recording method, an electrostatic printing method, or the like.
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Developing Agents For Electrophotography (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03780845A EP1574908B1 (en) | 2002-12-20 | 2003-12-17 | Polyester resin composition for toner and toner |
US10/539,798 US7250485B2 (en) | 2002-12-20 | 2003-12-17 | Polyester resin composition for toner and toner |
ES03780845T ES2391767T3 (es) | 2002-12-20 | 2003-12-17 | Composición de resina de poliéster para tóner y tóner |
Applications Claiming Priority (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002370447 | 2002-12-20 | ||
JP2002-370103 | 2002-12-20 | ||
JP2002370103 | 2002-12-20 | ||
JP2002-370447 | 2002-12-20 | ||
JP2003013794A JP3811453B2 (ja) | 2003-01-22 | 2003-01-22 | トナー用樹脂、及びトナー |
JP2003-13794 | 2003-01-22 | ||
JP2003024500A JP3773906B2 (ja) | 2002-12-20 | 2003-01-31 | トナー用線状ポリエステル樹脂およびトナー |
JP2003-24500 | 2003-01-31 | ||
JP2003-27186 | 2003-02-04 | ||
JP2003027186A JP3738012B2 (ja) | 2002-12-20 | 2003-02-04 | トナー用樹脂組成物およびトナー |
JP2003-68375 | 2003-03-13 | ||
JP2003068375A JP3828872B2 (ja) | 2003-03-13 | 2003-03-13 | トナー用線状ポリエステル樹脂、トナー、及びトナー用線状ポリエステル樹脂の製造方法 |
JP2003-274842 | 2003-07-15 | ||
JP2003274842A JP2005037714A (ja) | 2003-07-15 | 2003-07-15 | トナーおよびトナー用結着樹脂 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2004057419A2 true WO2004057419A2 (ja) | 2004-07-08 |
WO2004057419A3 WO2004057419A3 (ja) | 2004-10-07 |
WO2004057419B1 WO2004057419B1 (ja) | 2005-03-17 |
Family
ID=32686417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/016179 WO2004057419A2 (ja) | 2002-12-20 | 2003-12-17 | トナー用ポリエステル樹脂組成物およびトナー |
Country Status (4)
Country | Link |
---|---|
US (1) | US7250485B2 (ja) |
EP (1) | EP1574908B1 (ja) |
ES (1) | ES2391767T3 (ja) |
WO (1) | WO2004057419A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7235337B2 (en) * | 2003-07-02 | 2007-06-26 | Kao Corporation | Toner for electrostatic image development |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4069007B2 (ja) * | 2003-03-19 | 2008-03-26 | 株式会社リコー | 画像形成用トナー |
US8309291B2 (en) * | 2006-04-21 | 2012-11-13 | Kao Corporation | Polyester for toner |
WO2007123090A1 (ja) * | 2006-04-21 | 2007-11-01 | Kao Corporation | トナー用ポリエステル |
WO2007142094A1 (ja) * | 2006-06-02 | 2007-12-13 | Kao Corporation | 電子写真用トナー |
KR20080033622A (ko) | 2006-10-12 | 2008-04-17 | 삼성전자주식회사 | 토너용 결합제 수지 조성물, 토너조성물 및 토너조성물제조방법 |
US7781135B2 (en) * | 2007-11-16 | 2010-08-24 | Xerox Corporation | Emulsion aggregation toner having zinc salicylic acid charge control agent |
KR20110006452A (ko) * | 2009-07-14 | 2011-01-20 | 삼성전자주식회사 | 전자사진용 토너 및 그의 제조방법 |
KR101179827B1 (ko) * | 2009-10-22 | 2012-09-04 | 주식회사 삼양사 | 폴리에스테르 수지 및 이를 포함하는 토너 |
KR20110086359A (ko) * | 2010-01-22 | 2011-07-28 | 삼성전자주식회사 | 정전하상 현상용 토너 및 그 제조방법 |
JP5742412B2 (ja) * | 2011-02-28 | 2015-07-01 | 株式会社リコー | 静電画像形成用トナー及びトナー用樹脂 |
KR101907514B1 (ko) * | 2016-03-21 | 2018-10-12 | 에이치피프린팅코리아 주식회사 | 전자사진용 토너 및 그의 제조방법 |
US10543656B2 (en) | 2018-01-11 | 2020-01-28 | Eastman Chemical Company | Tough shrinkable films |
CN117986819A (zh) | 2018-10-08 | 2024-05-07 | 伊士曼化工公司 | 由树脂共混物制成的可结晶可收缩膜和可热成形片材 |
Citations (1)
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DE10214122A1 (de) | 2001-03-28 | 2002-10-02 | Kao Corp | Toner für elektrostatische Bildentwicklung |
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CA1331070C (en) * | 1988-03-17 | 1994-07-26 | Noriyuki Tajiri | Crosslinked polyester for toner and process for preparation thereof |
DE68926993T2 (de) * | 1988-12-01 | 2003-05-28 | Mitsubishi Rayon Co., Ltd., Tokio/Tokyo | Toner |
JP3020557B2 (ja) * | 1989-07-17 | 2000-03-15 | 三菱レイヨン株式会社 | トナー用架橋ポリエステル樹脂 |
CA2043658C (en) * | 1990-06-07 | 1997-12-23 | Shinji Kubo | Polyester for electrophotography |
JP2968616B2 (ja) * | 1990-06-21 | 1999-10-25 | 三菱レイヨン株式会社 | トナー用樹脂組成物 |
CA2048463A1 (en) * | 1990-08-17 | 1992-02-18 | Masayuki Takyu | Polyester resin for toner |
JP3051767B2 (ja) * | 1991-01-18 | 2000-06-12 | 花王株式会社 | 電子写真用現像剤組成物 |
JP3064816B2 (ja) | 1994-07-18 | 2000-07-12 | 花王株式会社 | 電子写真用トナー及び現像剤組成物 |
EP0840171B1 (en) * | 1995-06-27 | 2005-02-02 | Mitsubishi Rayon Co., Ltd. | Polyester resin for full color toner |
JPH09138602A (ja) | 1995-11-15 | 1997-05-27 | Konica Corp | 画像定着方法 |
JPH1010777A (ja) | 1996-06-20 | 1998-01-16 | Mitsubishi Rayon Co Ltd | トナー用バインダー樹脂およびトナー |
JP3863304B2 (ja) | 1997-11-06 | 2006-12-27 | 富士ゼロックス株式会社 | 電子写真用トナー、電子写真用現像剤、及び画像形成方法 |
JPH11305485A (ja) | 1998-04-24 | 1999-11-05 | Toyobo Co Ltd | 静電荷像現像トナ−用ポリエステル樹脂 |
JP4021999B2 (ja) | 1998-08-21 | 2007-12-12 | 三菱レイヨン株式会社 | トナー用ポリエステル樹脂およびトナー |
JP3310253B2 (ja) * | 2000-02-10 | 2002-08-05 | 花王株式会社 | 電子写真用トナー |
JP3916835B2 (ja) * | 2000-03-06 | 2007-05-23 | 三洋化成工業株式会社 | トナー用樹脂組成物および乾式トナー |
JP3602462B2 (ja) | 2000-03-13 | 2004-12-15 | 三洋化成工業株式会社 | トナーバインダーおよびその製造方法 |
JP2002072549A (ja) | 2000-08-23 | 2002-03-12 | Dainippon Ink & Chem Inc | 静電荷像現像用トナー |
JP2002072548A (ja) | 2000-08-23 | 2002-03-12 | Dainippon Ink & Chem Inc | 静電荷像現像用トナー |
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DE60231572D1 (de) * | 2001-06-20 | 2009-04-23 | Mitsubishi Rayon Co | Polyesterharz für einen Toner, Verfahren zur Herstellung eines Polyesterharzes für einen Toner und ein ein Polyesterharz enthaltender Toner |
JP2003066653A (ja) | 2001-08-28 | 2003-03-05 | Dainippon Ink & Chem Inc | 静電荷像現像用トナー |
-
2003
- 2003-12-17 EP EP03780845A patent/EP1574908B1/en not_active Expired - Lifetime
- 2003-12-17 US US10/539,798 patent/US7250485B2/en not_active Expired - Lifetime
- 2003-12-17 WO PCT/JP2003/016179 patent/WO2004057419A2/ja active Application Filing
- 2003-12-17 ES ES03780845T patent/ES2391767T3/es not_active Expired - Lifetime
Patent Citations (1)
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DE10214122A1 (de) | 2001-03-28 | 2002-10-02 | Kao Corp | Toner für elektrostatische Bildentwicklung |
Non-Patent Citations (1)
Title |
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See also references of EP1574908A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7235337B2 (en) * | 2003-07-02 | 2007-06-26 | Kao Corporation | Toner for electrostatic image development |
Also Published As
Publication number | Publication date |
---|---|
US7250485B2 (en) | 2007-07-31 |
WO2004057419B1 (ja) | 2005-03-17 |
US20060078815A1 (en) | 2006-04-13 |
EP1574908A4 (en) | 2010-09-15 |
ES2391767T3 (es) | 2012-11-29 |
EP1574908A2 (en) | 2005-09-14 |
WO2004057419A3 (ja) | 2004-10-07 |
EP1574908B1 (en) | 2012-09-05 |
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